/* 
 * Luigi Corpus - Photographer & Artist Portfolio
 * Main Stylesheet
 * Created: 2025-09-17
 */

/* ========== Variables ========== */
:root {
  /* Color Scheme - Minimalist Art Portfolio */
  --primary-color: #121212;     /* Near Black */
  --secondary-color: #f0f0f0;   /* Off White */
  --accent-color: #9d8f68;      /* Gold Accent */
  --text-dark: #222222;         /* Dark Text */
  --text-light: #f9f9f9;        /* Light Text */
  --text-muted: #888888;        /* Muted Text */
  --background-light: #ffffff;  /* White Background */
  --background-dark: #0a0a0a;   /* Dark Background */
  --border-color: #e0e0e0;      /* Light Border */
  --overlay-dark: rgba(0, 0, 0, 0.7);  /* Dark Overlay */
  --overlay-light: rgba(255, 255, 255, 0.9);  /* Light Overlay */
  
  /* Typography */
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Nunito Sans', Helvetica, Arial, sans-serif;
  --font-accent: 'Montserrat', Helvetica, Arial, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;    /* 8px */
  --spacing-sm: 1rem;      /* 16px */
  --spacing-md: 2rem;      /* 32px */
  --spacing-lg: 4rem;      /* 64px */
  --spacing-xl: 6rem;      /* 96px */
  
  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s ease;
  
  /* Borders */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  
  /* Shadows */
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
  
  /* Z-indices */
  --z-back: -1;
  --z-normal: 1;
  --z-front: 10;
  --z-modal: 100;
  --z-overlay: 1000;
}

/* ========== Base Styles ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--background-light);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

h1 {
  font-size: 3.5rem;
  font-weight: 300;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
  font-family: var(--font-accent);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h6 {
  font-size: 1rem;
  font-family: var(--font-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-color);
}

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-md);
}

img, video {
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
  font-family: var(--font-accent);
}

/* ========== Layout & Containers ========== */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 900px;
}

.container-wide {
  max-width: 1800px;
}

section {
  padding: var(--spacing-lg) 0;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Flexbox Layouts */
.flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.justify-end {
  justify-content: flex-end;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

/* ========== Typography Utilities ========== */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.uppercase {
  text-transform: uppercase;
}

.text-accent {
  color: var(--accent-color);
}

.text-muted {
  color: var(--text-muted);
}

.text-light {
  color: var(--text-light);
}

.letter-spacing {
  letter-spacing: 0.05em;
}

.font-heading {
  font-family: var(--font-heading);
}

.font-accent {
  font-family: var(--font-accent);
}

.weight-light {
  font-weight: 300;
}

.weight-normal {
  font-weight: 400;
}

.weight-medium {
  font-weight: 500;
}

.weight-bold {
  font-weight: 700;
}

/* ========== Margin & Padding Utilities ========== */
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mr-0 { margin-right: 0; }
.mb-0 { margin-bottom: 0; }
.ml-0 { margin-left: 0; }

.m-xs { margin: var(--spacing-xs); }
.mt-xs { margin-top: var(--spacing-xs); }
.mr-xs { margin-right: var(--spacing-xs); }
.mb-xs { margin-bottom: var(--spacing-xs); }
.ml-xs { margin-left: var(--spacing-xs); }

.m-sm { margin: var(--spacing-sm); }
.mt-sm { margin-top: var(--spacing-sm); }
.mr-sm { margin-right: var(--spacing-sm); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.ml-sm { margin-left: var(--spacing-sm); }

.m-md { margin: var(--spacing-md); }
.mt-md { margin-top: var(--spacing-md); }
.mr-md { margin-right: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }
.ml-md { margin-left: var(--spacing-md); }

.m-lg { margin: var(--spacing-lg); }
.mt-lg { margin-top: var(--spacing-lg); }
.mr-lg { margin-right: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.ml-lg { margin-left: var(--spacing-lg); }

.p-0 { padding: 0; }
.pt-0 { padding-top: 0; }
.pr-0 { padding-right: 0; }
.pb-0 { padding-bottom: 0; }
.pl-0 { padding-left: 0; }

.p-xs { padding: var(--spacing-xs); }
.pt-xs { padding-top: var(--spacing-xs); }
.pr-xs { padding-right: var(--spacing-xs); }
.pb-xs { padding-bottom: var(--spacing-xs); }
.pl-xs { padding-left: var(--spacing-xs); }

.p-sm { padding: var(--spacing-sm); }
.pt-sm { padding-top: var(--spacing-sm); }
.pr-sm { padding-right: var(--spacing-sm); }
.pb-sm { padding-bottom: var(--spacing-sm); }
.pl-sm { padding-left: var(--spacing-sm); }

.p-md { padding: var(--spacing-md); }
.pt-md { padding-top: var(--spacing-md); }
.pr-md { padding-right: var(--spacing-md); }
.pb-md { padding-bottom: var(--spacing-md); }
.pl-md { padding-left: var(--spacing-md); }

.p-lg { padding: var(--spacing-lg); }
.pt-lg { padding-top: var(--spacing-lg); }
.pr-lg { padding-right: var(--spacing-lg); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pl-lg { padding-left: var(--spacing-lg); }

/* ========== Components ========== */
/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.btn-primary:hover {
  background-color: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.btn-accent {
  background-color: var(--accent-color);
  color: var(--text-light);
}

.btn-accent:hover {
  background-color: transparent;
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.btn-text {
  background-color: transparent;
  border: none;
  color: var(--primary-color);
  padding: 8px 0;
  position: relative;
}

.btn-text::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: var(--primary-color);
  transition: width var(--transition-fast);
}

.btn-text:hover {
  color: var(--primary-color);
}

.btn-text:hover::after {
  width: 100%;
}

/* Section titles */
.section-title {
  position: relative;
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.section-title h2 {
  margin-bottom: var(--spacing-xs);
}

.section-title-line {
  display: block;
  width: 40px;
  height: 2px;
  background-color: var(--accent-color);
  margin: 0 auto var(--spacing-sm);
}

/* Cards */
.card {
  background-color: var(--background-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.card-image {
  position: relative;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  padding: var(--spacing-sm);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

/* ========== Header & Navigation ========== */
.header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: var(--z-front);
  padding: var(--spacing-sm) 0;
  transition: all var(--transition-fast);
  background-color: rgba(255, 255, 255, 0.98);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-xs) 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  z-index: var(--z-front);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--primary-color);
  letter-spacing: 0.05em;
}

.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin: 0 var(--spacing-sm);
}

.nav-link {
  font-family: var(--font-accent);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dark);
  padding: var(--spacing-xs) 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent-color);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: var(--z-front);
  cursor: pointer;
}

.mobile-toggle-line {
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-toggle-line:nth-child(1) {
  top: 0;
}

.mobile-toggle-line:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.mobile-toggle-line:nth-child(3) {
  bottom: 0;
}

.mobile-toggle.active .mobile-toggle-line:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-toggle.active .mobile-toggle-line:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active .mobile-toggle-line:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ========== Hero Section ========== */
.hero {
  height: 100vh;
  min-height: 700px;
  padding: 0;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-color: var(--background-dark);
}

.hero-container {
  position: relative;
  z-index: var(--z-front);
  color: var(--text-light);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-subtitle {
  font-family: var(--font-accent);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  color: var(--accent-color);
}

.hero-title {
  font-size: 4rem;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-light);
}

.hero-description {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
}

.hero-scroll {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  cursor: pointer;
  color: var(--text-light);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-20px) translateX(-50%);
  }
  60% {
    transform: translateY(-10px) translateX(-50%);
  }
}

/* ========== About Section ========== */
.about {
  background-color: var(--background-light);
}

.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-content {
  padding: var(--spacing-md);
}

.about-image {
  position: relative;
}

.about-image-main {
  width: 100%;
  height: 600px;
  object-fit: cover;
}

.about-signature {
  margin-top: var(--spacing-md);
  max-width: 150px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--accent-color);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ========== Portfolio Section ========== */
.portfolio {
  background-color: var(--background-light);
  padding-bottom: var(--spacing-xl);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.portfolio-filter {
  font-family: var(--font-accent);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: transparent;
  border: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  transition: color var(--transition-fast);
  color: var(--text-muted);
}

.portfolio-filter:hover,
.portfolio-filter.active {
  color: var(--accent-color);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
}

.portfolio-item-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.portfolio-item-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-dark);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity var(--transition-medium);
  padding: var(--spacing-md);
  text-align: center;
}

.portfolio-item:hover .portfolio-item-image {
  transform: scale(1.1);
}

.portfolio-item:hover .portfolio-item-overlay {
  opacity: 1;
}

.portfolio-item-title {
  color: var(--text-light);
  margin-bottom: var(--spacing-xs);
  transform: translateY(20px);
  transition: transform var(--transition-medium);
}

.portfolio-item-category {
  font-family: var(--font-accent);
  font-size: 0.875rem;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transform: translateY(20px);
  transition: transform var(--transition-medium);
}

.portfolio-item:hover .portfolio-item-title,
.portfolio-item:hover .portfolio-item-category {
  transform: translateY(0);
}

/* ========== Media Queries ========== */
@media (max-width: 1200px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-description {
    font-size: 1.1rem;
  }
  
  .about-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .about-image-main {
    height: 400px;
  }
  
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  
  .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--background-light);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: right var(--transition-medium);
    box-shadow: var(--shadow-lg);
  }
  
  .nav-list.active {
    right: 0;
  }
  
  .nav-item {
    margin: var(--spacing-sm) 0;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 576px) {
  :root {
    --spacing-md: 1.5rem;
    --spacing-lg: 3rem;
  }
  
  section {
    padding: var(--spacing-md) 0;
  }
  
  .hero {
    min-height: 600px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
}

/* ========== Animations ========== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 1s ease forwards;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.8s ease forwards;
}

.animate {
  opacity: 0;
}

.animate.active {
  animation: slideUp 0.8s ease forwards;
}